The Department of Homeland Security’s Deputy Secretary is leaving the government, according to The Washington Post.

Deputy Secretary Jane Holl Lute announced her resignation this week. She has been with DHS since 2009, and has been credited with leading negotiations to create an agreement on sharing air passenger name records with the European Union, the Post reports.

Prior to helping run DHS, Lute was a United Nations assistant secretary general in charge of logistical and administrative support to UN peacekeeping operations. Her replacement has not yet been announced, AP reports.